*SUPPORT*
IN: kiki kiki OUT: BLUE BLUE
IN: zup kiki lug zup zup dax OUT: RED RED RED RED RED RED RED BLUE
IN: fep zup dax OUT: GREEN RED RED
IN: zup gazzer OUT: RED RED RED RED
IN: kiki kiki lug wif wif dax OUT: BLUE YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW BLUE
IN: wif fep dax OUT: YELLOW GREEN GREEN
IN: zup lug kiki dax OUT: BLUE BLUE BLUE BLUE RED
IN: kiki dax OUT: BLUE BLUE
IN: fep wif OUT: GREEN YELLOW
IN: fep dax OUT: GREEN GREEN
IN: wif wif dax OUT: YELLOW YELLOW YELLOW
IN: fep gazzer OUT: GREEN GREEN GREEN GREEN
IN: fep OUT: GREEN
IN: kiki lug wif OUT: YELLOW YELLOW BLUE

*QUERY*
IN: wif dax OUT: YELLOW YELLOW
IN: wif gazzer OUT: YELLOW YELLOW YELLOW YELLOW
IN: wif OUT: YELLOW
IN: fep kiki dax OUT: GREEN BLUE BLUE
IN: zup dax OUT: RED RED
IN: zup OUT: RED
IN: kiki gazzer OUT: BLUE BLUE BLUE BLUE
IN: kiki OUT: BLUE
IN: fep zup OUT: GREEN RED
IN: wif lug fep dax OUT: GREEN GREEN GREEN GREEN YELLOW

*GRAMMAR*
zup -> RED 
 fep -> GREEN 
 wif -> YELLOW 
 kiki -> BLUE 
 u1 gazzer -> [u1] [u1] [u1] [u1] 
 u1 dax -> [u1] [u1] 
 u1 lug x1 -> [x1] [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 